Introducing GPT-4.5 "Orion"
OpenAI unveils GPT-4.5, codenamed "Orion," its largest AI language model to date, enhancing user interactions.
Enhanced User Interaction
GPT-4.5 offers improved writing, expanded knowledge, and a refined conversational tone for natural, emotionally nuanced responses.
Availability and Access
Initially available as a research preview, GPT-4.5 is accessible to ChatGPT Pro subscribers via a $200 monthly plan.
Performance Highlights
While excelling in language tasks, GPT-4.5 underperforms in math and science compared to smaller models like o3-mini.
Training and Development
Trained using advanced supervision techniques, GPT-4.5 combines traditional methods with new approaches for better accuracy.
Cost and Resource Implications
Operating GPT-4.5 is costly, with expenses reaching $75 per million input tokens and $150 per million output tokens.
Competitive Landscape
Despite advancements, GPT-4.5 faces competition from models offering comparable or superior performance at lower costs.
Future Developments
OpenAI plans to launch GPT-5 by May, integrating the new o3 reasoning model to enhance performance and capabilities.
Not a Frontier AI Model
OpenAI emphasizes that GPT-4.5 is not classified as a frontier AI model, acknowledging certain limitations.
Improved Accuracy and Interaction
GPT-4.5 exhibits fewer hallucinations and provides warmer, more emotionally nuanced interactions than previous versions.
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